The benefits of eating crayfish is to provide the body with protein and many other nutrients. Crayfish nutrient-rich, each 100 grams of crayfish contains 93 calories, of which 14.8 grams of protein, 3.8 grams of fat, calcium 85 milligrams, iron 6.4 milligrams, potassium 550 milligrams, selenium 8 micrograms. Moderate intake of crayfish can provide the body with many nutrients, which is beneficial to human health. One of the crayfish protein for high-quality animal protein, can provide the body with eight essential amino acids, and the right ratio, high absorption rate. Crayfish fat content is relatively low, suitable for weight loss people to supplement protein, its carbohydrate content is very low, diabetic patients can also be consumed in moderation. But crayfish purine content is high, gout patients in gout attacks need to properly limit their intake, allergic to crayfish should not be ingested crayfish.